參數(shù)資料
型號(hào): TPS60240DGK
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8
封裝: PLASTIC, MSOP-8
文件頁數(shù): 7/27頁
文件大?。?/td> 715K
代理商: TPS60240DGK
TPS60240, TPS60241
TPS60242, TPS60243
SLVS372B – JUNE 2001 – REVISED JANUARY 2002
15
www.ti.com
APPLICATION INFORMATION
TPS60241
VIN
C1
1
F
C2
1
F
C1+
C1–
GND
VOUT
C2+
C2–
EN
CI
1
F
GND
3.3 V
5 V
CO
1
F
VCO
VCC
GND
Figure 31. 5-V Low-Noise VCO Supply From 3.3-V Input
TPS60240
VIN
C1
1
F
C2
1
F
C1+
C1–
GND
VOUT
C2+
C2–
EN
GND
2 V
3.3 V
CO
1
F
VO
GND
CI
1
F
Figure 32. 2-V to 3.3-V Low-Noise Converter
output voltage ripple
The output voltage ripple depends on the capacitors used. Table 1 illustrates the dependence between output
voltage ripple and capacitor selection.
Table 1. Output Voltage Ripple and Capacitor Selection
CI
CO
C1
C2
OUTPUT VOLTAGE RIPPLE
[
Vrms]
1
F
1
F
1
F
1
F
288
2.2
F
2.2
F
1
F
1
F
212
4.7
F
4.7
F
1
F
1
F
183
4.7
F
1
F
1
F
1
F
272
1
F
4.7
F
1
F
1
F
185
NOTE: VI = 3.3 V, VO = 5 V, RL = 500 ,
TA = 25°C
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